Nadella first joined Microsoft in 1992, eventually rising to the position of Vice President of the Microsoft Business Division. Later, he was made the President of Microsoft’s $19 billion Server and Tools Business and led a transformation of the company's business and technology culture from client services to cloud infrastructure and services. Under his leadership, Microsoft's revenue from its Cloud Services grew from to US$16.6 billion when he took over in 2011 to US$20.3 billion in June 2013.